#############################################################################
##                  This file is part of TunnelHack II.                    ##
##-------------------------------------------------------------------------##
## Copyright 2007-2008 Bryce Schroeder                                     ##
## bryce.schroeder@gmail.com                                               ##
## http://www.ferazelhosting.net/~bryce/                                   ##
##-------------------------------------------------------------------------##
##  This program is free software: you can redistribute it and/or modify   ##
##  it under the terms of the GNU General Public License as published by   ##
##  the Free Software Foundation, either version 3 of the License, or      ##
##  (at your option) any later version.                                    ##
##  This program is distributed in the hope that it will be useful,        ##
##  but WITHOUT ANY WARRANTY; without even the implied warranty of         ##
##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          ##
##  GNU General Public License for more details.                           ##
##  You should have received a copy of the GNU General Public License      ##
##  along with this program.  If not, see <http://www.gnu.org/licenses/>.  ##
#############################################################################
from .standard_interpreters import Resource, R
import cStringIO
import pygame

class Tile:
    def __init__(self, x, y, descriptor, set):
        #ppdrr
        self.set = set
        self.descriptor = descriptor
        self.x = x
        self.y = y
    def blit(self, target, x, y):
        """Draw this tile onto the target."""
        target.blit(self.set.image, (x,y), (self.x*32,self.y*32,32,32))

class Tileset(Resource):
    MANDATORY = ['image', 'map']
    #OPTIONAL = ['meta']
    def init(self):
        self.meta = {}
        if self.parts.has_key('meta'):
            self.meta = self.process_meta(self.parts['meta'])
            
        self.image = pygame.image.load(cStringIO.StringIO(
                    self.parts['image'])).convert_alpha()
                    

        self.tiles = []
        y = 0
        for row in self.parts['map'].split("\n"):
            x = 0
            for collumn in row.split():
                if collumn[0] != '-':
                    self.tiles.append(Tile(x,y,collumn,self))
                else:
                    self.tiles.append(None)
                x += 1
            y += 1
    def get(self, index):
        return self.tiles[index]
    #def load_palette(self):